keyword
https://read.qxmd.com/read/38532596/potential-of-the-quorum-quenching-and-plant-growth-promoting-halotolerant-bacillus-toyonensis-aa1ec1-as-biocontrol-agent
#21
JOURNAL ARTICLE
Amalia Roca, Mónica Cabeo, Carlos Enguidanos, Fernando Martínez-Checa, Inmaculada Sampedro, Inmaculada Llamas
The use of fertilizers and pesticides to control plant diseases is widespread in intensive farming causing adverse effects together with the development of antimicrobial resistance pathogens. As the virulence of many Gram-negative phytopathogens is controlled by N-acyl-homoserine lactones (AHLs), the enzymatic disruption of this type of quorum-sensing (QS) signal molecules, mechanism known as quorum quenching (QQ), has been proposed as a promising alternative antivirulence therapy. In this study, a novel strain of Bacillus toyonensis isolated from the halophyte plant Arthrocaulon sp...
March 2024: Microbial Biotechnology
https://read.qxmd.com/read/38532541/case-report-of-overlapping-pyloric-obstruction-due-to-dichlorvos-poisoning-and-cholelithiasis-with-choledocholithiasis
#22
JOURNAL ARTICLE
Jie Peng, Yalu Zhang, Qin Ling, Liang Zhu, Hanhui Yao
BACKGROUND Pyloric obstruction after dichlorvos poisoning causes repeated vomiting and inability to eat. Choledocholithiasis and cholelithiasis are the common digestive diseases, with high morbidity and relapse in elderly patients. However, the complex situation of these diseases' coexistence is a clinically intractable problem, and literature on selecting optimal surgical planning is scarce. CASE REPORT A thin 79-year-old woman took dichlorvos due to family conflicts. She improved after being urgently sent to local hospital for gastric lavage and detoxification...
March 27, 2024: American Journal of Case Reports
https://read.qxmd.com/read/38532305/development-of-a-reversed-phase-uplc-method-for-assay-of-fipronil-including-determination-of-its-related-substances-in-bulk-batches-of-fipronil-drug-substance
#23
JOURNAL ARTICLE
Shane N Berger, Abu M Rustum
BACKGROUND: Fipronil is a commonly used pesticide in the agricultural and animal health industries for the protection of crops and control of fleas, ticks, and chewing lice. It is difficult to obtain reproducible retention time and RRT for a common hydrolytic degradation product of Fipronil with the current European Pharmacopeia (EP) monograph for assay and estimation of related substances of Fipronil. This situation causes misidentification, mislabeling and/or false out-of-specifications results for this hydrolytic degradation product of Fipronil in bulk commercial batches during batch release and/or in the stability samples during the shelf life of a released batch...
March 26, 2024: Journal of AOAC International
https://read.qxmd.com/read/38532056/inter-coat-protein-loading-of-active-ingredients-into-tobacco-mild-green-mosaic-virus-through-partial-dissociation-and-reassembly-of-the-virion
#24
JOURNAL ARTICLE
Ivonne González-Gamboa, Adam A Caparco, Justin McCaskill, Paulina Fuenlabrada-Velázquez, Samuel S Hays, Zhicheng Jin, Jesse V Jokerst, Jonathan K Pokorski, Nicole F Steinmetz
Chemical pesticide delivery is a fundamental aspect of agriculture. However, the extensive use of pesticides severely endangers the ecosystem because they accumulate on crops, in soil, as well as in drinking and groundwater. New frontiers in nano-engineering have opened the door for precision agriculture. We introduced Tobacco mild green mosaic virus (TMGMV) as a viable delivery platform with a high aspect ratio and favorable soil mobility. In this work, we assess the use of TMGMV as a chemical nanocarrier for agriculturally relevant cargo...
March 26, 2024: Scientific Reports
https://read.qxmd.com/read/38531527/chitin-induced-disease-resistance-in-plants-a-review
#25
REVIEW
Roohallah Saberi Riseh, Mozhgan Gholizadeh Vazvani, Masoumeh Vatankhah, John F Kennedy
Chitin is composed of N-acetylglucosamine units. Chitin a polysaccharide found in the cell walls of fungi and exoskeletons of insects and crustaceans, can elicit a potent defense response in plants. Through the activation of defense genes, stimulation of defensive compound production, and reinforcement of physical barriers, chitin enhances the plant's ability to defend against pathogens. Chitin-based treatments have shown efficacy against various plant diseases caused by fungal, bacterial, viral, and nematode pathogens, and have been integrated into sustainable agricultural practices...
March 24, 2024: International Journal of Biological Macromolecules
https://read.qxmd.com/read/38531460/integrated-application-of-multiple-indicators-and-geographic-information-system-based-approaches-for-comprehensive-assessment-of-environmental-impacts-of-toxic-metals-contaminated-agricultural-soils-and-vegetables
#26
JOURNAL ARTICLE
Seyyed Mahmoud Enjavinejad, Maryam Zahedifar, Ali Akbar Moosavi, Pegah Khosravani
Conventional monitoring and mapping approaches are laborious, expensive, and time-consuming because they need a large number of data and consequently extensive sampling and experimental operations. Therefore, due to the growing concern about the potential of contamination of soils and agricultural products with heavy metals (HMs), a field experiment was conducted on 77 farm lands in an area of 2300 ha in the southeast of Shiraz (Iran) to investigate the source of metal contamination in the soils and vegetables and to model spatial distribution of HMs (iron, Fe; manganese, Mn; copper, Cu; zinc, Zn; cadmium, Cd; nickel, Ni, and lead, Pb) over the region using geographic information system (GIS) and geostatistical (Ordinary Kriging, OK) approaches and compare the results with deterministic approaches (Inverse Distance Weighting, IDW with different weighting power)...
March 24, 2024: Science of the Total Environment
https://read.qxmd.com/read/38531142/applications-of-hollow-nanostructures-in-water-treatment-considering-organic-inorganic-and-bacterial-pollutants
#27
REVIEW
Nooshin Naderi, Fatemeh Ganjali, Reza Eivazzadeh-Keihan, Ali Maleki, Mika Sillanpää
One of the major issues of modern society is water contamination with different organic, inorganic, and contaminants bacteria. Finding cost-effective and efficient materials and methods for water treatment and environment remediation is among the scientists' most important considerations. Hollow-structured nanomaterials, including hollow fiber membranes, hollow spheres, hollow nanoboxes, etc., have shown an exciting capability for wastewater refinement approaches, including membrane technology, adsorption, and photocatalytic procedure due to their extremely high specific surface area, high porosity, unique morphology, and low density...
March 25, 2024: Journal of Environmental Management
https://read.qxmd.com/read/38530775/prevalence-and-concentration-of-pesticides-in-european-waters-a-protocol-for-systematic-review-and-meta-analysis
#28
JOURNAL ARTICLE
Manuel Serrano Valera, Nuria Vela, Grasiela Piuvezam, Francisco Mateo-Ramírez, Isac Davidson Santiago Fernandes Pimenta, Isabel Martínez-Alcalá
There is currently a growing interest in the so-called emerging pollutants, such as pesticides, pharmaceuticals, personal hygiene care products, drugs, etc., whose presence in natural ecosystems is not necessarily recent, but the development in latest years of new and more sensitive methods of analysis has allowed their detection. They can be present in the natural environment, food, and many products of everyday origin, which suggests that human exposure to them is massive and universal. Therefore, the study of this type of substances is becoming one of the priority lines of research of the main agencies dedicated to the protection of public and environmental health, such as the World Health Organization (WHO), United States Environmental Protection Agency (USEPA) or European Union (EU)...
2024: PloS One
https://read.qxmd.com/read/38530752/-ruicaihuangia-caeni-gen-nov-sp-nov-a-novel-taxon-within-the-family-microbacteriaceae-isolated-from-sludge
#29
JOURNAL ARTICLE
Le Liu, Keke Geng, Yu Lv, Qi Zhang, Gang Chen, Dan Cheng, Jiahui Shao, Jian He, Qirong Shen
A Gram-stain-positive bacterium, designated YN-L-19T , was isolated from a sludge sample collected from a pesticide-manufacturing plant. Cells of YN-L-19T were strictly aerobic, non-spore-forming, non-motile and ovoid-shaped. Colonies were small, smooth and yellow. Growth occurred at 10-37 °C (optimum, 30 °C), pH 5.0-9.0 (optimum, 7.0) and 0-3.0 % (w/v) NaCl (optimum 0.5 %). Phylogenetic analysis based on genome and 16S rRNA gene sequences indicated that YN-L-19T was affiliated to the family Microbacteriaceae and most closely related to Diaminobutyricimonas aenilata , Terrimesophilobacter mesophilus , Planctomonas deserti and Curtobacterium luteum ...
March 2024: International Journal of Systematic and Evolutionary Microbiology
https://read.qxmd.com/read/38529554/discovery-of-novel-acrylopimaric-acid-triazole-derivatives-as-promising-antifungal-agents
#30
JOURNAL ARTICLE
Xu Han, Renle Xu, Shihao Gu, Yue Kong, Yuhang Lou, Yanqing Gao, Shibin Shang, Zhanqian Song, Jie Song, Jian Li
BACKGROUND: To further develop potential natural fungicides, two series of new acrylopimaric acid triazole derivatives were synthesized, and their antifungal activities were tested and evaluated. RESULTS: In vitro antifungal activity results indicated that Compound 5m exhibited significant inhibitory activity against Rhizoctonia solani with an EC50 value of 1.528 mg/L. Its antifungal effect was comparable to that of the commercially available fungicide fluconazole, epoxiconazole and propiconazole (EC50 value of 1...
March 26, 2024: Pest Management Science
https://read.qxmd.com/read/38529545/pesticide-identification-using-surface-enhanced-raman-spectroscopy-and-density-functional-theory-calculations-from-structural-insights-to-on-site-detection
#31
JOURNAL ARTICLE
Andrea Hermsen, Florian Hertel, Dominik Wilbert, Till Gronau, Christian Mayer, Martin Jaeger
Pesticides play an important role in conventional agriculture. Yet, their harmful effects on the environment are becoming increasingly apparent. The occurrence of pesticides is hence being monitored worldwide. For fast, easy, yet sensitive identification, surface-enhanced Raman spectroscopy (SERS) is a powerful tool. In this study, a method is introduced that may be amended to in-field detection of pesticides. Gold and silver nanoparticles were synthesized, size-tailored, and characterized. The herbicide paraquat and the fungicide thiram served as model compounds...
March 26, 2024: Applied Spectroscopy
https://read.qxmd.com/read/38529524/identification-and-functional-characterization-of-an-omega-class-glutathione-s-transferase-gene-pcgsto1-associated-with-cyetpyrafen-resistance-in-panonychus-citri-mcgregor
#32
JOURNAL ARTICLE
Li-Li Ding, Shi-Jiang Yu, Shuang Lei, Qi Pan, Liu Liu, Si-Chen Li, Ting-Yu Chen, Shu-Qi Wang, Zhi-Tang Wei, Hao-Qiang Liu, Lin Cong, Chun Ran
Cyetpyrafen is a recently developed acaricide. The citrus red mite, Panonychus citri (McGregor), has developed significant resistance to cyetpyrafen. However, the molecular mechanism underlying the cyetpyrafen resistance in P. citri remains unclear. Glutathione S-transferases (GSTs) play a critical role in arthropod pesticide resistance. This study showed that GSTs were potentially related to the resistance of P. citri to cyetpyrafen through synergistic experiments and enzyme activity analysis. An omega-family GST gene, PcGSTO1, was significantly up-regulated in the egg, nymph, and adult stages of the cyetpyrafen-resistant strain...
March 26, 2024: Journal of Agricultural and Food Chemistry
https://read.qxmd.com/read/38529305/coupling-effect-of-key-factors-on-ecosystem-services-in-border-areas-a-study-of-the-pu-er-region-southwestern-china
#33
JOURNAL ARTICLE
Ruijing Qiao, Jie Li, Xiaofei Liu, Mengjie Li, Dongmei Lei, Yungang Li, Kai Wu, Pengbo Du, Kun Ye, Jinming Hu
The coupling effects created by transboundary and local factors on ecosystem services are often difficult to determine. This poses great challenges for ecosystem protection and management in border areas. To decrease uncertainty, it is crucial to quantify and spatialize the impact multiple factors have on ecosystem services within different scenarios. In this study, we identified key transboundary and local factors from a set of 15 sorted factors related to four main ecosystem services. We employed a Bayesian Network-Geographic Information System (BN-GIS) model to simulate 90 scenarios with multiple factors combinations, quantifying and spatializing the coupling effects on the main ecosystem services...
2024: PeerJ
https://read.qxmd.com/read/38528918/surface-ligand-modified-silver-nanoparticles-based-sers-sensing-platform-for-ultrasensitive-detection-of-the-pesticide-thiram-in-green-tea-leaves-roles-of-coating-agents-in-sensing-performance
#34
JOURNAL ARTICLE
Dong Thi Linh, Quan-Doan Mai, Dao Thi Nguyet Nga, Nguyen Tuan Anh, Hoang Van Tuan, Ha Anh Nguyen, Xuan Hoa Vu, Anh-Tuan Le
Silver nanoparticles (AgNPs) have been regarded as a highly promising substrate for surface-enhanced Raman scattering (SERS) sensors. In this study, we focused on the electrochemical synthesis method by developing three kinds of AgNPs using three different electrolytes: citrate (e-Ag-C), oleic acid (e-Ag-O) and fish mint ( Houttuynia cordata Thunb.) extract (e-Ag-bio). The as-prepared AgNPs were characterized and then employed as SERS substrates to detect the pesticide thiram. The obtained results show that e-Ag-O exhibits the best SERS performance...
March 20, 2024: RSC Advances
https://read.qxmd.com/read/38528509/clinical-analysis-of-acute-poisoning-in-children
#35
JOURNAL ARTICLE
Huajun Zhang, Qin Huo, Rui Jing, Meng Dong
OBJECTIVE: The clinical characteristics of hospitalized children with acute poisoning were analyzed to provide a reference for preventing poisoning and seeking effective prevention and treatment. METHODS: The clinical data of 112 children with acute poisoning admitted to Qilu Hospital of Shandong University from January 1, 2018, to December 31, 2021, were collected and analyzed from different perspectives. RESULTS: The majority of acute poisoning cases that occurred in children were in early childhood and preschool age (89 cases, accounting for 79...
March 25, 2024: BMC Pediatrics
https://read.qxmd.com/read/38528153/pbtk-model-based-analysis-of-cyp3a4-induction-and-the-toxicokinetics-of-the-pyrrolizidine-alkaloid-retrorsine-in-man
#36
JOURNAL ARTICLE
Anja Lehmann, Ina Geburek, Stefanie Hessel-Pras, Anne-Margarethe Enge, Hans Mielke, Christine Müller-Graf, Charlotte Kloft, Christoph Hethey
Cytochrome P450 (CYP)3A4 induction by drugs and pesticides plays a critical role in the enhancement of pyrrolizidine alkaloid (PA) toxicity as it leads to increased formation of hepatotoxic dehydro-PA metabolites. Addressing the need for a quantitative analysis of this interaction, we developed a physiologically-based toxicokinetic (PBTK) model. Specifically, the model describes the impact of the well-characterized CYP3A4 inducer rifampicin on the kinetics of retrorsine, which is a prototypic PA and contaminant in herbal teas...
March 25, 2024: Archives of Toxicology
https://read.qxmd.com/read/38528058/comparative-life-cycle-assessment-of-environmental-impacts-and-economic-feasibility-of-tomato-cultivation-systems-in-northern-plains-of-india
#37
JOURNAL ARTICLE
Rohit Kumar, Arvind Bhardwaj, Lakhwinder Pal Singh, Gurraj Singh, Anupam Kumar, Kanhu Charan Pattnayak
To meet the growing demand for vegetable production and promote sustainable agriculture, it is imperative to implement effective input management and adopt eco-friendly farming practices. This study aims to compare the environmental impacts of conventional and organic tomato cultivation in the northern plains of India. This study utilizes SimaPro 9.1.1 software for a comprehensive cradle-to-farm gate Life Cycle Assessment (LCA), assessing production stages, identifying key environmental factors, and incorporating ReCiPe Midpoint and Endpoint methods with one-hectare as a functional unit...
March 25, 2024: Scientific Reports
https://read.qxmd.com/read/38527976/identification-of-non-canonical-antagonistic-bacteria-via-interspecies-contact-dependent-killing
#38
JOURNAL ARTICLE
Long Lin, Min Tao, Wei-Mei He, Qian-Hua Wu, Hao-Kai Huang, Aprodisia Kavutu Murero, Xiao-Long Shao, Li-Min Wang, Guo-Liang Qian
BACKGROUND: Canonical biocontrol bacteria were considered to inhibit pathogenic bacteria mainly by secreting antibiotic metabolites or enzymes. Recent studies revealed that some biocontrol bacteria can inhibit pathogenic bacteria through contact-dependent killing (CDK) mediated by contact-dependent secretion systems. The CDK was independent of antibiotic metabolites and often ignored in normal biocontrol activity assay. RESULTS: In this study, we aimed to use a pathogen enrichment strategy to isolate non-canonical bacteria with CDK ability...
March 25, 2024: Pest Management Science
https://read.qxmd.com/read/38527917/variable-gut-ph-as-a-potential-mechanism-of-tolerance-to-bacillus-thuringiensis-subsp-israelensis-toxins-in-the-biting-midge-culicoides-sonorensis
#39
JOURNAL ARTICLE
Cameron J Osborne, Tianyun Su, Kristopher S Silver, Lee W Cohnstaedt
BACKGROUND: Toxins of Bacillus thuringiensis subsp. israelensis (Bti) are safer alternatives for controlling dipteran pests such as black flies and mosquitoes. The biting midge Culicoides sonorensis (Diptera: Ceratopogonidae) is an important pest of livestock in much of the United States and larval midges utilize semi-aquatic habitats which are permissive for Bti product application. Reports suggest that Bti products are ineffective at killing biting midges despite their taxonomic relation to black flies and mosquitoes...
March 25, 2024: Pest Management Science
https://read.qxmd.com/read/38527910/another-step-on-the-transgene-facilitated-herbicide-treadmill
#40
REVIEW
David A Mortensen, Matthew R Ryan, Richard G Smith
Transgenic, dicamba-resistant soybean and cotton were developed to enable farmers to combat weeds that evolved resistance to the herbicide glyphosate. The dramatic increases in dicamba use these crops facilitated have led to serious problems, including evolution of dicamba-resistant weeds and widespread damage to susceptible crops and farming communities. Disturbingly, this pattern of dicamba use has unfolded while the total herbicide applied to soybean has nearly doubled since 2006. Without substantive changes to agricultural policy and decision making, the next "silver-bullet" agrotechnology will likely be no more than another step on the transgene-facilitated herbicide treadmill...
March 25, 2024: Pest Management Science
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